Interim Estimates of COVID-19 Vaccine Effectiveness Against COVID-19-Associated Emergency Department or Urgent Care Clinic Encounters and Hospitalizations Among Adults During SARS-CoV-2 B.1.617.2 (Delta) Variant Predominance - Nine States, June-August 2021.

Thompson MG;Stenehjem E;Grannis S;Ball SW;Naleway AL;Ong TC;DeSilva MB;Natarajan K;Bozio CH;Lewis N;Dascomb K;Dixon BE;Birch RJ;Irving SA;Rao S;Kharbanda E;Han J;Reynolds S;Goddard K;Grisel N;Fadel WF;Levy ME;Ferdinands J;Fireman B;Arndorfer J;Valvi NR;Rowley EA;Patel P;Zerbo O;Griggs EP;Porter RM;Demarco M;Blanton L;Steffens A;Zhuang Y;Olson N;Barron M;Shifflett P;Schrag SJ;Verani JR;Fry A;Gaglani M;Azziz-Baumgartner E;Klein NP

Tenforde MW;Self WH;Naioti EA;Ginde AA;Douin DJ;Olson SM;Talbot HK;Casey JD;Mohr NM;Zepeski A;Gaglani M;McNeal T;Ghamande S;Shapiro NI;Gibbs KW;Files DC;Hager DN;Shehu A;Prekker ME;Erickson HL;Gong MN;Mohamed A;Henning DJ;Steingrub JS;Peltan ID;Brown SM;Martin ET;Monto AS;Khan A;Hough CL;Busse LW;Ten Lohuis CC;Duggal A;Wilson JG;Gordon AJ;Qadir N;Chang SY;Mallow C;Rivas C;Babcock HM;Kwon JH;Exline MC;Halasa N;Chappell JD;Lauring AS;Grijalva CG;Rice TW;Jones ID;Stubblefield WB;Baughman A;Womack KN;Lindsell CJ;Hart KW;Zhu Y;Stephenson M;Schrag SJ;Kobayashi M;Verani JR;Patel MM;IVY Network Investigators;IVY Network

Thompson MG;Burgess JL;Naleway AL;Tyner H;Yoon SK;Meece J;Olsho LEW;Caban-Martinez AJ;Fowlkes AL;Lutrick K;Groom HC;Dunnigan K;Odean MJ;Hegmann K;Stefanski E;Edwards LJ;Schaefer-Solle N;Grant L;Ellingson K;Kuntz JL;Zunie T;Thiese MS;Ivacic L;Wesley MG;Mayo Lamberte J;Sun X;Smith ME;Phillips AL;Groover KD;Yoo YM;Gerald J;Brown RT;Herring MK;Joseph G;Beitel S;Morrill TC;Mak J;Rivers P;Poe BP;Lynch B;Zhou Y;Zhang J;Kelleher A;Li Y;Dickerson M;Hanson E;Guenther K;Tong S;Bateman A;Reisdorf E;Barnes J;Azziz-Baumgartner E;Hunt DR;Arvay ML;Kutty P;Fry AM;Gaglani M